US Bridges

Sth 16 over Silver Creek

Fair

Monroe County, Wisconsin · 0.2M E JCT Cth a (e) · Structure no. B41088000000000

Built
1936
89 years old, rebuilt 2005
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
2,400
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 16 over Silver Creek is a concrete slab carrying Sth 16 over Silver Creek in Monroe County, Wisconsin. It was built in 1936 and reconstructed in 2005, so it is 89 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,400 vehicles a day, roughly 9% of them trucks, projected to reach 2,900 by 2043. The structure is 28 ft (8.5 m) long and 43 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSth 16
CrossesSilver Creek
Location0.2M E JCT Cth a (e)
RouteState Highway 16
Coordinates43.94155, -90.68081
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.2 US tons
Inventory rating51.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span27 ft (8.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2022)
Projected traffic2,900 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 16 over Silver Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 2005.

What condition is Sth 16 over Silver Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Sth 16 over Silver Creek carry?

About 2,400 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Sth 16 over Silver Creek?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.1 m) and a deck 43 ft wide.

Who owns Sth 16 over Silver Creek?

It is owned by the State Highway Agency.